mirror of
https://github.com/yuzu-emu/unicorn.git
synced 2024-12-23 05:05:36 +00:00
259 lines
9.2 KiB
C
259 lines
9.2 KiB
C
/* Unicorn Emulator Engine */
|
|
/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2015 */
|
|
|
|
#ifndef UC_PRIV_H
|
|
#define UC_PRIV_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
|
|
#include "qemu.h"
|
|
#include "unicorn/unicorn.h"
|
|
#include "list.h"
|
|
|
|
// These are masks of supported modes for each cpu/arch.
|
|
// They should be updated when changes are made to the uc_mode enum typedef.
|
|
#define UC_MODE_ARM_MASK (UC_MODE_ARM|UC_MODE_THUMB|UC_MODE_LITTLE_ENDIAN)
|
|
#define UC_MODE_MIPS_MASK (UC_MODE_MIPS32|UC_MODE_MIPS64|UC_MODE_LITTLE_ENDIAN|UC_MODE_BIG_ENDIAN)
|
|
#define UC_MODE_X86_MASK (UC_MODE_16|UC_MODE_32|UC_MODE_64|UC_MODE_LITTLE_ENDIAN)
|
|
#define UC_MODE_PPC_MASK (UC_MODE_PPC64|UC_MODE_BIG_ENDIAN)
|
|
#define UC_MODE_SPARC_MASK (UC_MODE_SPARC32|UC_MODE_SPARC64|UC_MODE_BIG_ENDIAN)
|
|
#define UC_MODE_M68K_MASK (UC_MODE_BIG_ENDIAN)
|
|
|
|
#define ARR_SIZE(a) (sizeof(a)/sizeof(a[0]))
|
|
|
|
#define READ_QWORD(x) ((uint64)x)
|
|
#define READ_DWORD(x) (x & 0xffffffff)
|
|
#define READ_WORD(x) (x & 0xffff)
|
|
#define READ_BYTE_H(x) ((x & 0xffff) >> 8)
|
|
#define READ_BYTE_L(x) (x & 0xff)
|
|
#define WRITE_DWORD(x, w) (x = (x & ~0xffffffff) | (w & 0xffffffff))
|
|
#define WRITE_WORD(x, w) (x = (x & ~0xffff) | (w & 0xffff))
|
|
#define WRITE_BYTE_H(x, b) (x = (x & ~0xff00) | ((b & 0xff) << 8))
|
|
#define WRITE_BYTE_L(x, b) (x = (x & ~0xff) | (b & 0xff))
|
|
|
|
|
|
QTAILQ_HEAD(CPUTailQ, CPUState);
|
|
|
|
typedef struct ModuleEntry {
|
|
void (*init)(void);
|
|
QTAILQ_ENTRY(ModuleEntry) node;
|
|
module_init_type type;
|
|
} ModuleEntry;
|
|
|
|
typedef QTAILQ_HEAD(, ModuleEntry) ModuleTypeList;
|
|
|
|
typedef uc_err (*query_t)(struct uc_struct *uc, uc_query_type type, size_t *result);
|
|
|
|
// return 0 on success, -1 on failure
|
|
typedef int (*reg_read_t)(struct uc_struct *uc, unsigned int *regs, void **vals, int count);
|
|
typedef int (*reg_write_t)(struct uc_struct *uc, unsigned int *regs, void *const *vals, int count);
|
|
|
|
typedef void (*reg_reset_t)(struct uc_struct *uc);
|
|
|
|
typedef bool (*uc_write_mem_t)(AddressSpace *as, hwaddr addr, const uint8_t *buf, int len);
|
|
|
|
typedef bool (*uc_read_mem_t)(AddressSpace *as, hwaddr addr, uint8_t *buf, int len);
|
|
|
|
typedef void (*uc_args_void_t)(void*);
|
|
|
|
typedef void (*uc_args_uc_t)(struct uc_struct*);
|
|
typedef int (*uc_args_int_uc_t)(struct uc_struct*);
|
|
|
|
typedef bool (*uc_args_tcg_enable_t)(struct uc_struct*);
|
|
|
|
typedef void (*uc_minit_t)(struct uc_struct*, ram_addr_t);
|
|
|
|
typedef void (*uc_args_uc_long_t)(struct uc_struct*, unsigned long);
|
|
|
|
typedef void (*uc_args_uc_u64_t)(struct uc_struct *, uint64_t addr);
|
|
|
|
typedef MemoryRegion* (*uc_args_uc_ram_size_t)(struct uc_struct*, ram_addr_t begin, size_t size, uint32_t perms);
|
|
|
|
typedef MemoryRegion* (*uc_args_uc_ram_size_ptr_t)(struct uc_struct*, ram_addr_t begin, size_t size, uint32_t perms, void *ptr);
|
|
|
|
typedef void (*uc_mem_unmap_t)(struct uc_struct*, MemoryRegion *mr);
|
|
|
|
typedef void (*uc_readonly_mem_t)(MemoryRegion *mr, bool readonly);
|
|
|
|
// which interrupt should make emulation stop?
|
|
typedef bool (*uc_args_int_t)(int intno);
|
|
|
|
// some architecture redirect virtual memory to physical memory like Mips
|
|
typedef uint64_t (*uc_mem_redirect_t)(uint64_t address);
|
|
|
|
struct hook {
|
|
int type; // UC_HOOK_*
|
|
int insn; // instruction for HOOK_INSN
|
|
int refs; // reference count to free hook stored in multiple lists
|
|
uint64_t begin, end; // only trigger if PC or memory access is in this address (depends on hook type)
|
|
void *callback; // a uc_cb_* type
|
|
void *user_data;
|
|
};
|
|
|
|
// hook list offsets
|
|
// mirrors the order of uc_hook_type from include/unicorn/unicorn.h
|
|
enum uc_hook_idx {
|
|
UC_HOOK_INTR_IDX,
|
|
UC_HOOK_INSN_IDX,
|
|
UC_HOOK_CODE_IDX,
|
|
UC_HOOK_BLOCK_IDX,
|
|
UC_HOOK_MEM_READ_UNMAPPED_IDX,
|
|
UC_HOOK_MEM_WRITE_UNMAPPED_IDX,
|
|
UC_HOOK_MEM_FETCH_UNMAPPED_IDX,
|
|
UC_HOOK_MEM_READ_PROT_IDX,
|
|
UC_HOOK_MEM_WRITE_PROT_IDX,
|
|
UC_HOOK_MEM_FETCH_PROT_IDX,
|
|
UC_HOOK_MEM_READ_IDX,
|
|
UC_HOOK_MEM_WRITE_IDX,
|
|
UC_HOOK_MEM_FETCH_IDX,
|
|
|
|
UC_HOOK_MAX,
|
|
};
|
|
|
|
// for loop macro to loop over hook lists
|
|
#define HOOK_FOREACH(uc, hh, idx) \
|
|
struct list_item *cur; \
|
|
for ( \
|
|
cur = (uc)->hook[idx##_IDX].head; \
|
|
cur != NULL && ((hh) = (struct hook *)cur->data) \
|
|
/* stop excuting callbacks on stop request */ \
|
|
&& !uc->stop_request; \
|
|
cur = cur->next)
|
|
|
|
// if statement to check hook bounds
|
|
#define HOOK_BOUND_CHECK(hh, addr) \
|
|
((((addr) >= (hh)->begin && (addr) <= (hh)->end) \
|
|
|| (hh)->begin > (hh)->end))
|
|
|
|
#define HOOK_EXISTS(uc, idx) ((uc)->hook[idx##_IDX].head != NULL)
|
|
#define HOOK_EXISTS_BOUNDED(uc, idx, addr) _hook_exists_bounded((uc)->hook[idx##_IDX].head, addr)
|
|
|
|
static inline bool _hook_exists_bounded(struct list_item *cur, uint64_t addr)
|
|
{
|
|
while (cur != NULL) {
|
|
if (HOOK_BOUND_CHECK((struct hook *)cur->data, addr))
|
|
return true;
|
|
cur = cur->next;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//relloc increment, KEEP THIS A POWER OF 2!
|
|
#define MEM_BLOCK_INCR 32
|
|
|
|
struct uc_struct {
|
|
uc_arch arch;
|
|
uc_mode mode;
|
|
QemuMutex qemu_global_mutex; // qemu/cpus.c
|
|
QemuCond qemu_cpu_cond; // qemu/cpus.c
|
|
QemuCond *tcg_halt_cond; // qemu/cpus.c
|
|
struct CPUTailQ cpus; // qemu/cpu-exec.c
|
|
uc_err errnum; // qemu/cpu-exec.c
|
|
AddressSpace as;
|
|
query_t query;
|
|
reg_read_t reg_read;
|
|
reg_write_t reg_write;
|
|
reg_reset_t reg_reset;
|
|
|
|
uc_write_mem_t write_mem;
|
|
uc_read_mem_t read_mem;
|
|
uc_args_void_t release; // release resource when uc_close()
|
|
uc_args_uc_u64_t set_pc; // set PC for tracecode
|
|
uc_args_int_t stop_interrupt; // check if the interrupt should stop emulation
|
|
|
|
uc_args_uc_t init_arch, cpu_exec_init_all;
|
|
uc_args_int_uc_t vm_start;
|
|
uc_args_tcg_enable_t tcg_enabled;
|
|
uc_args_uc_long_t tcg_exec_init;
|
|
uc_args_uc_ram_size_t memory_map;
|
|
uc_args_uc_ram_size_ptr_t memory_map_ptr;
|
|
uc_mem_unmap_t memory_unmap;
|
|
uc_readonly_mem_t readonly_mem;
|
|
uc_mem_redirect_t mem_redirect;
|
|
// list of cpu
|
|
void* cpu;
|
|
|
|
MemoryRegion *system_memory; // qemu/exec.c
|
|
MemoryRegion io_mem_rom; // qemu/exec.c
|
|
MemoryRegion io_mem_notdirty; // qemu/exec.c
|
|
MemoryRegion io_mem_unassigned; // qemu/exec.c
|
|
MemoryRegion io_mem_watch; // qemu/exec.c
|
|
RAMList ram_list; // qemu/exec.c
|
|
CPUState *next_cpu; // qemu/cpus.c
|
|
BounceBuffer bounce; // qemu/cpu-exec.c
|
|
volatile sig_atomic_t exit_request; // qemu/cpu-exec.c
|
|
spinlock_t x86_global_cpu_lock; // for X86 arch only
|
|
bool global_dirty_log; // qemu/memory.c
|
|
/* This is a multi-level map on the virtual address space.
|
|
The bottom level has pointers to PageDesc. */
|
|
void **l1_map; // qemu/translate-all.c
|
|
size_t l1_map_size;
|
|
/* code generation context */
|
|
void *tcg_ctx; // for "TCGContext tcg_ctx" in qemu/translate-all.c
|
|
/* memory.c */
|
|
unsigned memory_region_transaction_depth;
|
|
bool memory_region_update_pending;
|
|
bool ioeventfd_update_pending;
|
|
QemuMutex flat_view_mutex;
|
|
QTAILQ_HEAD(memory_listeners, MemoryListener) memory_listeners;
|
|
QTAILQ_HEAD(, AddressSpace) address_spaces;
|
|
MachineState *machine_state;
|
|
// qom/object.c
|
|
GHashTable *type_table;
|
|
Type type_interface;
|
|
Object *root;
|
|
Object *owner;
|
|
bool enumerating_types;
|
|
// util/module.c
|
|
ModuleTypeList init_type_list[MODULE_INIT_MAX];
|
|
// hw/intc/apic_common.c
|
|
DeviceState *vapic;
|
|
int apic_no;
|
|
bool mmio_registered;
|
|
bool apic_report_tpr_access;
|
|
CPUState *current_cpu;
|
|
|
|
// linked lists containing hooks per type
|
|
struct list hook[UC_HOOK_MAX];
|
|
|
|
// hook to count number of instructions for uc_emu_start()
|
|
uc_hook count_hook;
|
|
|
|
size_t emu_counter; // current counter of uc_emu_start()
|
|
size_t emu_count; // save counter of uc_emu_start()
|
|
|
|
uint64_t block_addr; // save the last block address we hooked
|
|
|
|
bool init_tcg; // already initialized local TCGv variables?
|
|
bool stop_request; // request to immediately stop emulation - for uc_emu_stop()
|
|
bool quit_request; // request to quit the current TB, but continue to emulate - for uc_mem_protect()
|
|
bool emulation_done; // emulation is done by uc_emu_start()
|
|
QemuThread timer; // timer for emulation timeout
|
|
uint64_t timeout; // timeout for uc_emu_start()
|
|
|
|
uint64_t invalid_addr; // invalid address to be accessed
|
|
int invalid_error; // invalid memory code: 1 = READ, 2 = WRITE, 3 = CODE
|
|
|
|
uint64_t addr_end; // address where emulation stops (@end param of uc_emu_start())
|
|
|
|
int thumb; // thumb mode for ARM
|
|
// full TCG cache leads to middle-block break in the last translation?
|
|
bool block_full;
|
|
int size_arg; // what tcg arg slot do we need to update with the size of the block?
|
|
MemoryRegion **mapped_blocks;
|
|
uint32_t mapped_block_count;
|
|
uint32_t mapped_block_cache_index;
|
|
void *qemu_thread_data; // to support cross compile to Windows (qemu-thread-win32.c)
|
|
uint32_t target_page_size;
|
|
uint32_t target_page_align;
|
|
uint64_t next_pc; // save next PC for some special cases
|
|
};
|
|
|
|
#include "qemu_macro.h"
|
|
|
|
// check if this address is mapped in (via uc_mem_map())
|
|
MemoryRegion *memory_mapping(struct uc_struct* uc, uint64_t address);
|
|
|
|
#endif
|